Explain why DNA is important to life on Earth.

Deoxyribonucleic Acid (DNA) is the basic building blocks of life on earth.

Explanation: DNA contains all kinds of genetic information in which the cell uses as instructions for the new organism. DNA makes up what traits the offspring will inherit. This is upto and including diseases, birth defects, eye color, learning disabilities, chemical imbalances (yes, depression is a chemical imbalance and therefore can be inherited). DNA controls many aspects of your daily life without you even knowing it.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".